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Effect of Bleaching Regimen With Different Activation Modes on Color Stability, Surface Roughness, Tooth Sensitivity and Patient Satisfaction
Sponsor: Tanta University
Summary
The purpose of this study was to conduct a randomized double-blind clinical trial to examine the efficacy of an in-office bleaching regimen with varied activation modes on color stability, surface roughness, tooth sensitivity, and patient satisfaction.
Key Details
Gender
All
Age Range
20 Years - 35 Years
Study Type
INTERVENTIONAL
Enrollment
45
Start Date
2026-01-01
Completion Date
2026-04-03
Last Updated
2026-03-27
Healthy Volunteers
Yes
Interventions
35% Hydrogen Peroxide Bleaching Gel (Bleach 'n Smile®, Schutz Dental, Germany) with Laser Activation
Application of a 35% hydrogen peroxide bleaching agent (Bleach 'n Smile®) to the labial tooth surfaces, followed by activation using a dental laser according to the manufacturer's recommended parameters. The bleaching procedure is performed in a single clinical session under standardized conditions
35% Hydrogen Peroxide Bleaching Gel (Bleach 'n Smile®, Schutz Dental, Germany) with LED/Light Activation
Application of a 35% hydrogen peroxide bleaching agent (Bleach 'n Smile®) followed by activation using a dental light-curing unit or LED-based bleaching system, according to manufacturer instructions.
35% Hydrogen Peroxide Bleaching Gel (Bleach 'n Smile®, Schutz Dental, Germany) - Chemical Activation Only
Application of 35% hydrogen peroxide bleaching agent (Bleach 'n Smile®) without the use of external energy sources, allowing the material to act chemically according to manufacturer instructions.
Locations (1)
Restorative Department, Faculty of Dentistry, Tanta University
Tanta, Tanta, Egypt